The Joon-Aryk is a river in Kochkor District of Naryn Region of Kyrgyzstan. It is formed by confluence of Kara-Kujur and Telek rivers. It is 34.8 kilometres (21.6 mi) long, and has a drainage basin of 1,340 square kilometres (520 sq mi). Average annual discharge - 11.4 cubic meters per second. The Chu is formed by the confluence of Kochkor and Joon Aryk near the village Kochkor.